Describes simple, efficient techniques for treating hazardous chemicals so that nontoxic and nonhazardous residues are formed. Discusses general rules for management of waste chemicals from school laboratories and general techniques for the disposal of waste or surplus chemicals. Lists specific disposal reactions. (CW)

Enumerates variables involved in the safe operation of a fume hood. Describes a test to measure hood performance. Discusses variables which effect hood performance. Lists design changes sometimes necessary to provide more space and encourage good practices. Concludes with a summary of good hood practices. (CW)

This report was developed to address institutional biosafety committees' implementation of federal guidelines applicable to the environmental release of genetically engineered organisms. These committees are from universities, companies, and other organizations that are using recombinant DNA technology in their laboratories. The committees are…